Growing Scilla Bulbs
Thistakes in a very large number of species of varying size. The produce strap-shaped leaves and spikes bearing six-petalled flowers. Practically all are hardy, although some come from South Africa and other warm places. October is an ideal month to plant and, since the bulbs vary considerably in size, a good guide as to the correct depth for planting is 21 times the depth of the bulb itself.
Scilla bifolia is a gem for the, producing bright blue flowers on 4 or 5-in. stems as early as February. It has a white form, alba, and a rose-pink variety, rosea. Scilla sibirica has vivid Prussian-blue flowers on 4-in. stems and never fails to attract attention, being first class in the front of the border, in the rock garden or grown in pots and pans. The variety alba is white, and a remarkable blue form which is rather taller and an improvement on the type is Spring Beauty.
Scilla tubergeniana grows 4 in. high and is most striking; it flowers in February and March, earlier than Scilla sibirica, and is pale blue in colour with a thin stripe running down the centre of each petal. S. hispanica or campanulata, often known as the Spanish Bluebell, is altogether larger. It is quite hardy and will thrive in almost any soil. Such varieties as La Grandessa, white, and, blue, have been grown for quite a long time, but a number of excellent kinds have recently been introduced which are a great advance on the older types. Flowering in late April and May, they produce really large spikes in choice named varieties. Scilla nutans is our native Bluebell, too well known to need description. It has both white and pink forms, all being excellent for naturalising.